total of 100 pounds of meet..if 75 pounds of beef is used with 25 pounds of pork it creates the ratio of 3:1 if displayed as a fraction pork = 1/4 beef = 3/4 pork weight= 100* 1/4 =25pounds beef weight= 100* 3/4 =76pounds and if only 3 pounds are used .... total weight of pork used is...... = 3*1/4 =0.75 pounds